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Posts Tagged gold nanoparticles

In recent years, researchers in the field of nanotechnology are finding that metal nanoparticles have all kinds of previously-unexpected benefits in both the conventional technology and experimental medical industries.

These nanostructured metal powders (in some cases they may even be alloys) are typically reduced to their particle size using metal salts or some type of corrosive alcohol.

Copper nanoparticles constitute some of the most versatile and useful metal nanoparticles currently in production.

In electronics manufacturing it has been found that thin films of extra-small copper particles exhibit a peculiarly strong electrocatalytic behavior, making them prime candidates for many types of electric processes.

You may have heard of gold nanoparticles and not even realized it, since they’re also known as “colloidal gold” or sometimes “nano-gold.”

Tiny molecular particles of gold are suspended in a fluid (usually water) and if the gold particles are extremely small, the liquid appears to be an intense shade of red. If the particles are on the larger size, the liquid will be a dirty yellow color.

When gold is broken into nanoparticles it can break many different ways, depending on the process. Researchers have found particles in an assortment of shapes including rods, cubes, cap-shaped pieces, and spheres.

Nanotechnology is fairly new to our civilization, but it turns out that colloidal gold has been around since ancient times—and it was originally used to stain glass. It was rediscovered by Michael Faraday in the 1850s and almost immediately became one of science’s favorite substances.

Gold nanoparticles are highly useful for a wide range of processes including general nanotechnology, electronics manufacturing, and the synthesizing of rare materials.